By Lazare Anthelme. Fuse Box Wiring. Publised at Tuesday, January 09th 2018, 00:33:42 AM. Notice that battery voltage travels through a high current wire (red) through the relay to the horn and also through a smaller wire (blue) through the ignition switch to the relay's low-current coil. The first thing you should be aware of is that the horn circuit is always "hot" or "live" when the ignition switch is turned on and all that's needed is a path to ground.
By Salomon Herbert. Engine Wiring. Published at Thursday, January 11th 2018, 04:39:32 AM. In order to create the combustion needed to move the pistons, we need fuel in the cylinders. Before the 1980s, cars used carburetors to supply fuel to the combustion chamber. Today, all cars use one of three fuel injection systems: direct fuel injection, ported fuel injection, or throttle body fuel injection.
By Hadrien Gratien. Car Radio Wiring. Published at Thursday, January 11th 2018, 04:08:36 AM. Sometimes, accessing the stereo requires the removal of one or more trim panels from the dash. You may have to (carefully) pry the plastic trim away from the dash (which is often secured by hidden pressure clips), or locate and remove bolts to disassemble other pieces of panel. Once you have gained access to the factory stereo, you should be able to see screws that secure the radio to the dash. Remove the screws and pull the stereo from the dash.
By Gabin Placide. Engine Wiring. Published at Thursday, January 11th 2018, 03:50:43 AM. The valvetrain is the mechanical system that’s mounted to the cylinder head that controls the operation of the valves. The valve train consists of valves, rocker arms, pushrods, and lifters.
By Josselin Amaury. Fuse Box Wiring. Published at Thursday, January 11th 2018, 03:28:24 AM. Another item to test if you are having electrical problems is the relay for that component. Relays are used in high power devices and are essentially electrically activated switches. When you turn your car on, multiple components turn on like the fuel pump, computer and electric fans. A small amount of power is run through the switch in your ignition which can then activate multiple relays turning all the peripheral equipment without running full power for all of them through the ignition switch. Relays also can go bad over time and cause electrical problems. The best way to test a relay is to have a helper touch or listen to the relay while you turn the device on. You should feel a slight tap and hear a quiet click as the relay engages.
By Bertrand Rainier. Engine Wiring. Published at Thursday, January 11th 2018, 02:50:05 AM. Before performing any work on your vehicle always be sure to disconnect and ideally, remove the battery from the vehicle. You should be able to take off the negative, then positive terminal clamps with a socket wrench, and then set the battery somewhere cool, out of the sun, and away from your work space.
By Jeannot Ludovic. Fuse Box Wiring. Published at Thursday, January 11th 2018, 01:07:55 AM. Fuses are simple in design. Inside a fuse is a soft wire with a specific cross-sectional thickness. This dimension dictates how many amps can be carried before the wire melts. Too many amps and the fuse fails, saving the rest of the circuit from damage.
By Hadrien Gratien. Engine Wiring. Published at Thursday, January 11th 2018, 00:55:44 AM. Rocker arms are little levers that touch the lobes, or cams, on the camshaft. When a lobe lifts one end of the rocker, the other end of the rocker presses down on the valve stem, opening the valve to let air in to the combustion chamber or letting exhaust out. It works sort of like a see-saw.
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